public class java8 {
    public static void main(String[] args) {
        int[] a={1,2,3};
        System.out.println(a[0]);
        change(a);
        System.out.println(a[0]);
        int b[]={1,2,3};
	    int c[]=b;
	    System.out.printf("%d\n",c[0]);
    }
    public static void change(int[] a) {
        a[0]=4;
    }
}
